feat(comments): full 1:1 zibll comment kernel for posts, forum, shop

Extract shared comment helpers (content/item/form/geo/actions), port GIF
[g=] smilies + FixedInput/moveForm UX, wire close_comments/city/quick
settings, REST comment get, and align product review chrome with zibll.

src/AKSRT/Settings/PostDisplay.php

@@ -465,9 +465,48 @@ class PostDisplay {
             'submit_text'        => $submit_text !== '' ? $submit_text : __('提交评论', 'aksrt'),
             'box_placeholder'    => $box_placeholder !== '' ? $box_placeholder : __('说点什么吧...', 'aksrt'),
             'title'              => $title !== '' ? $title : __('评论', 'aksrt'),
+            // Extended zibll-parity settings.
+            'close_comments'     => !empty($settings['comment_close_comments']),
+            'hot_threshold'      => max(1, min(999, (int) ($settings['comment_hot_threshold'] ?? 10))),
+            'quick_s'            => !isset($settings['comment_quick_s']) || !empty($settings['comment_quick_s']),
+            'quick_phrases'      => self::parse_comment_quick_phrases((string) ($settings['comment_quick_often'] ?? '')),
+            'city_s'             => !isset($settings['comment_city_s']) || !empty($settings['comment_city_s']),
+            'city_type'          => self::normalize_comment_city_type((string) ($settings['comment_city_type'] ?? 'province_city')),
         ];
     }
 
+    /**
+     * @return array<int,string>
+     */
+    private static function parse_comment_quick_phrases(string $raw): array {
+        if (trim($raw) === '') {
+            $raw = "不错，学习了\n感谢分享\n期待更新";
+        }
+        $lines = preg_split('/\r\n|\r|\n/', $raw) ?: [];
+        $out = [];
+        foreach ($lines as $line) {
+            $line = trim((string) $line);
+            if ($line !== '') {
+                $out[] = $line;
+            }
+        }
+        return array_values(array_unique($out));
+    }
+
+    private static function normalize_comment_city_type(string $type): string {
+        $type = sanitize_key($type);
+        // Map legacy zibll pro/city labels.
+        if ($type === 'pro') {
+            return 'province';
+        }
+        if ($type === 'city') {
+            return 'province_city';
+        }
+        return in_array($type, ['province_city', 'province', 'country_province'], true)
+            ? $type
+            : 'province_city';
+    }
+
 
     public static function apply_list_orderby($query): void {
         if (is_admin() || !($query instanceof \WP_Query) || !$query->is_main_query()) {